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Roof Vents & Drains

A variety of roof vents and drains allow for vapor pressure control and drainage, providing watertight seals between the roof, the drain and plumbing.

All Specialty Roofing Products Flashing Details are located within the systems pages or in the Roofing Tools & Resources section of our commercial toolbox.

Use our Vents and Drains Reference Guide to learn more about which product will work best for your roofing system.

Roof Vents & Drains
Heavy-Duty TPO RetroDrain®

Heavy-Duty TPO RetroDrain®

The one-piece spun aluminum body has a TPO-coated flange for direct hot air welding of TPO roof membranes. The drain flange has a depressed sump area for improved flow and to facilitate drainage. (more ...)

OverFlow® and FlowControl®

OverFlow® and FlowControl®

The OverFlow accessory is a spun aluminum round drain attachment. The product is designed to be used with all RetroDrains that are supplied with a clamping ring assembly. (more ...)

U-Flow® Screwdriver

U-Flow® Screwdriver

The U-Flow® Screwdriver is an accessory product used in the installation of RetroDrain products with the U-Flow Seal. The extra long screwdriver is fitted with a square socket tip (#2 Robertson) for tightening the special recessed head screws on the U-Flow compression seals. The 12.5" (31. (more ...)

Flex-I-Drain®

Flex-I-Drain®

Flex-I-Drain is a unique roof drain system, designed to connect to the building plumbing system with no hub connectors. The flexible bellows allow differential movement up to 1"(2.54 cm) in any direction between the roof deck/roofing system and the plumbing. (more ...)

FP-10 One-Way® Roof Vent

FP-10 One-Way® Roof Vent

The FP-10 One Way Roof Vent is a solar operated, moisture/ vapor venting unit designed to release and prevent the re-entry of moisture-laden air in new or existing lightweight fill decks and most low-slope industrial/commercial roofing systems. (more ...)

Hercules® RetroDrain®

Hercules® RetroDrain®

One-piece spun aluminum body and heavy-duty cast aluminum dome and clamping ring provide strength and durability. The drain flange has a depressed sump area to facilitate water drainage from roof surface. (more ...)

PC/PET RetroDrain®

PC/PET RetroDrain®

Manufactured with a tough copolymer resin that is compatible with any roofing system, PC/PET drains can even withstand the heat associated with torch down roofing applications and has a molded one-piece body – without seams that could split and leak. (more ...)

PVC AlumaWeld® RetroDrain®

PVC AlumaWeld® RetroDrain®

The one-piece, spun aluminum body has a plastisol-coated flange for direct hot-air welding to PVC roof membranes. The drain flange has a depressed sump area to facilitate the easy drainage of all water from roof surface. (more ...)

SuperDome® RetroDrain®

SuperDome® RetroDrain®

Manufactured with a tough copolymer resin that is compatible with any roofing system, PC/PET drains can even withstand the heat associated with torch down roofing applications. (more ...)

USII RetroDrain®

USII RetroDrain®

An economical option featuring a one-piece spun aluminum body and heavy-duty cast aluminum strainer dome for strength and durability. The extra large flange provides a wide area for attaching the roof membrane. (more ...)

Product & Sales Information: (800) 654-3103